Are you tired of running out of hot water during showers? An eco tankless water heater offers a continuous supply, ensuring comfort and convenience.
Tankless water heaters, like the EcoSmart ECO 11 and EcoSmart ECO 27, provide efficient heating on demand. Their compact design saves space while delivering hot water instantly, a significant advantage for busy households.
In this review, we dive into the performance, energy efficiency, and durability of these models, helping you make an informed choice for your home.


EcoSmart ECO 11 Tankless Water Heater
EcoSmart ECO 11 Electric Tankless Water Heater: 11.5” x 8” x 3.75”, ABS plastic, 2-year warranty.
Benefits
- Endless hot water with on-demand heating; never runs out.
- 99% thermal energy efficient; saves energy by heating water only when needed.
- Space-saving design; 90% smaller than traditional tank heaters, ideal for small spaces.
- Provides 1.3 to 3.1 gallons-per-minute depending on inlet water temperature.
Drawbacks
- Requires 54 A amperage draw; may need electrical upgrades for installation.
- No built-in freeze protection; may require additional measures in colder climates.
A practical pick for small spaces, the EcoSmart ECO 11 is perfect for bathrooms, small sinks, and office breakrooms. Its compact size and energy-efficient technology make it an excellent choice for those looking to save space and money on energy bills. The heater’s ability to provide consistent hot water on demand is a significant advantage over traditional tank heaters. However, potential buyers should be aware of the electrical requirements and the lack of built-in freeze protection, which may necessitate additional considerations in certain environments. Overall, the EcoSmart ECO 11 stands out for its efficiency and convenience, making it a solid investment for anyone needing reliable hot water in a compact form factor.
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EcoSmart ECO 27 Electric Tankless Water Heater
EcoSmart ECO 27 Tankless Water Heater: 17” x 17” x 3.5”, Electric, 27 kW, Voltage 240, Single Phase, HZ 50/60, Digital Temperature Control.
Benefits
- Provides endless hot water for multiple applications simultaneously.
- Energy-efficient design can save up to 60% on energy costs.
- Compact size allows for installation in tight spaces.
- Digital temperature control ensures precise water temperature settings.
Drawbacks
- Requires professional installation for optimal performance.
- Higher upfront cost compared to traditional water heaters.
A practical pick for small spaces and those seeking an efficient, space-saving water heating solution.
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EcoSmart ECO 18 Electric Tankless Water Heater
EcoSmart ECO 18 Electric Tankless Water Heater: 17” x 14” x 3.5”, white, 2-year warranty.
Benefits
- Provides endless hot water for up to 3-4 simultaneous outlets.
- Self-modulating technology optimizes energy use for cost savings.
- Compact design saves space, ideal for tight installations.
Drawbacks
- Requires professional installation for optimal performance.
- Not suitable for large households with multiple high-demand fixtures.
A practical pick for small to medium homes needing efficient hot water solutions.
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Ecosmart ECO 24 Electric Tankless Water Heater
Ecosmart ECO 24: 24 KW at 240-Volt, 99.8% energy efficiency, 17” x 17” x 3.5”, manufactured in the United States.
Benefits
- Sleek and compact design fits well in small spaces.
- Digital output temperature display provides precise control over water temperature.
- Energy-efficient operation can lead to significant savings on utility bills.
- Provides endless hot water for multiple outlets simultaneously without running out.
Drawbacks
- Requires professional installation which may add to initial costs.
- Not suitable for very large households that require simultaneous high demand.
A practical pick for small spaces and energy-conscious users, the Ecosmart ECO 24 offers efficient hot water heating without the bulk of traditional water heaters. Its compact size and advanced technology make it an ideal solution for apartments, condos, or homes with limited space. The digital display simplifies temperature management, ensuring comfort and convenience. While it may not be the best option for larger families with high simultaneous demand, it excels in efficiency and reliability for smaller households. Overall, the Ecosmart ECO 24 is a smart investment for those looking to maximize space and minimize energy costs.
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EcoSmart 8-kW Electric Tankless Water Heater
EcoSmart ECO 8 Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Highly durable construction ensures longevity.
- Easy to use with straightforward controls.
- Provides endless hot water on demand, ideal for small households.
- Compact design fits well in tight spaces.
- Energy-efficient operation helps reduce utility bills.
Drawbacks
- No dishwasher-safe parts can make cleaning a bit tedious.
- Requires professional installation for optimal performance.
A practical pick for small spaces, the EcoSmart ECO 8 is perfect for those looking to save on energy costs while enjoying reliable hot water. Its compact size and efficient design make it a great choice for apartments or homes with limited space. The durability of the ABS plastic ensures that it will withstand regular use, while the easy-to-use controls make it accessible for anyone. However, potential buyers should note that the lack of dishwasher-safe parts means manual cleaning is necessary, which could be a drawback for some. Overall, this tankless water heater is a solid investment for small households seeking efficiency and convenience.
To buy this product, click here.
Faq about Eco Tankless Water Heater:
1: What is an eco tankless water heater?
An eco tankless water heater heats water on demand, eliminating the need for a storage tank and providing endless hot water while saving energy.
2: How does an eco tankless water heater work?
It uses high-powered burners or electric coils to heat water directly as it flows through the unit, ensuring immediate hot water availability.
3: What are the benefits of using an eco tankless water heater?
Benefits include energy efficiency, space-saving design, lower utility bills, and a longer lifespan compared to traditional water heaters.
4: Are eco tankless water heaters energy-efficient?
Yes, they are highly energy-efficient, using less energy than conventional heaters since they only heat water when needed.
5: What is the lifespan of an eco tankless water heater?
Typically, eco tankless water heaters last 20 years or more with proper maintenance, outlasting traditional tank models.
6: Can I install an eco tankless water heater myself?
While some may attempt DIY installation, professional installation is recommended for safety and optimal performance.
7: What maintenance is required for eco tankless water heaters?
Regular descaling and annual inspections are essential to maintain efficiency and prolong the unit’s lifespan.
Conclusion
Both the EcoSmart ECO 11 and ECO 27 electric tankless water heaters exemplify cutting-edge technology in energy efficiency and performance. The ECO 11, ideal for smaller households, offers a compact solution with adequate heating capabilities, while the ECO 27 caters to larger demands, ensuring a steady supply of hot water for multiple outlets simultaneously.
These products not only promise substantial energy savings but also contribute to an eco-friendly lifestyle. Their advanced design and reliability make them exemplary choices for those seeking sustainable and efficient water heating solutions.




